From 236963e7563be3e3f8220dac7bb4af446928e194 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Mon, 24 Jun 2024 22:55:29 -0400
Subject: Clean out for expt

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 sys/lib/string/vsnprintf.c | 139 ---------------------------------------------
 1 file changed, 139 deletions(-)
 delete mode 100644 sys/lib/string/vsnprintf.c

(limited to 'sys/lib/string/vsnprintf.c')

diff --git a/sys/lib/string/vsnprintf.c b/sys/lib/string/vsnprintf.c
deleted file mode 100644
index b8a4faa..0000000
--- a/sys/lib/string/vsnprintf.c
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
- * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. Neither the name of Hyra nor the names of its
- *    contributors may be used to endorse or promote products derived from
- *    this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <string.h>
-#include <stdarg.h>
-#include <sys/types.h>
-
-static inline void
-printc(char *buf, size_t size, size_t *off, char c)
-{
-    if (*off < size - 1) {
-        buf[(*off)++] = c;
-    }
-    buf[*off] = 0;
-}
-
-static void
-printstr(char *buf, size_t size, size_t *off, const char *s)
-{
-    while (*off < size - 1 && *s != '\0') {
-        buf[(*off)++] = *(s)++;
-    }
-    buf[*off] = 0;
-}
-
-int
-snprintf(char *s, size_t size, const char *fmt, ...)
-{
-    va_list ap;
-    int ret;
-
-    va_start(ap, fmt);
-    ret = vsnprintf(s, size, fmt, ap);
-    va_end(ap);
-    return ret;
-}
-
-int
-vsnprintf(char *s, size_t size, const char *fmt, va_list ap)
-{
-    size_t tmp_len, num_len, off = 0;
-    ssize_t num = 0;
-    char c, c1, num_buf[256] = {0};
-    const char *tmp_str;
-    uint8_t pad_width = 0;
-
-    while (off < (size - 1)) {
-        while (*fmt && *fmt != '%') {
-            printc(s, size, &off, *fmt++);
-        }
-        if (*(fmt)++ == '\0' || off == size - 1) {
-            return off;
-        }
-
-        /*
-         * Handle a case where we have "%0N". For example:
-         * "%04d"
-         */
-        if (*fmt == '0') {
-            ++fmt;
-            while (*fmt >= '0' && *fmt <= '9') {
-                pad_width = pad_width * 10 + (*fmt - '0');
-                ++fmt;
-            }
-        }
-
-        c = *fmt++;
-        switch (c) {
-        case 'c':
-            c1 = (char )va_arg(ap, int);
-            printc(s, size, &off, c1);
-            break;
-        case 'd':
-            num = va_arg(ap, int);
-            itoa(num, num_buf, 10);
-
-            if (pad_width > 0) {
-                num_len = strlen(num_buf);
-                for (size_t i = num_len; i < pad_width; ++i)
-                    printc(s, size, &off, '0');
-            }
-            printstr(s, size, &off, num_buf);
-            break;
-        case 'p':
-            num = va_arg(ap, uint64_t);
-            itoa(num, num_buf, 16);
-            tmp_len = strlen(num_buf);
-            /*
-             * Now we pad this.
-             *
-             * XXX TODO: This assumes 64-bits, should be
-             *           cleaned up.
-             */
-            for (size_t i = 0; i < 18 - tmp_len; ++i) {
-                printc(s, size, &off, '0');
-            }
-            printstr(s, size, &off, num_buf + 2);
-            break;
-        case 'x':
-            num = va_arg(ap, uint64_t);
-            itoa(num, num_buf, 16);
-            tmp_len = strlen(num_buf);
-            printstr(s, size, &off, num_buf + 2);
-            break;
-        case 's':
-            tmp_str = va_arg(ap, const char *);
-            printstr(s, size, &off, tmp_str);
-            break;
-        }
-    }
-
-    return 0;
-}
-- 
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